Slide fastener stringer elements with tongues and grooved heads

Details Slide fastener stringer elements with tongues and grooved heads Slide fastener stringer elements with tongues and grooved heads

1980-05-30

1982-09-21

Frazier, Roy D.

Buckles, buttons, clasps, etc.

Buckles

One-piece

2420516R, A44F 1904

Patent

active

043499430

ABSTRACT:
A coupling element for a slide fastener has a grooved head adapted to receive tongues of opposed elements to prevent lateral shifting of the elements. The tongues, as well as tapes embedded in the elements, are upwardly offset from the center of the elements so that the top edges of the tapes, the tongues and the grooves are coplanar. Flat abutment surfaces at the rear of the head absorb transverse loads and stabilize the fastener.

REFERENCES:
patent: 2347428 (1944-04-01), Morin
patent: 2495033 (1950-01-01), Sullivan
patent: 2637886 (1953-05-01), Hora
patent: 2959833 (1960-11-01), Ryser
patent: 3886634 (1975-06-01), Murata
patent: 4040150 (1977-08-01), Fukuroi
patent: 4067089 (1978-01-01), Forno

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